mamacdon/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<title>Validator example</title>
	<script src="https://orion.eclipse.org/orion/Deferred.js"></script> <!--must be loaded before plugin-->
	<script src="https://orion.eclipse.org/orion/plugin.js"></script>   <!--must be loaded before script tag -->
<script>
/*global orion Deferred*/
var provider = new orion.PluginProvider();
provider.registerServiceProvider("orion.edit.validator", {
	computeProblems: function(editorContext, options) {
		var problems = [];
		return editorContext.getText().then(function(contents) {
			var lines = contents.split(/\r?\n/);
			for (var i=0; i < lines.length; i++) {
				var line = lines[i];
				var match = /\t \t| \t /.exec(line);
				if (match) {
					problems.push({
						description: "Mixed spaces and tabs.",
						line: i + 1,
						start: match.index + 1,
						end: match.index + match[0].length + 1,
						severity: "warning"
					});
				}
			}
			var result = { problems: problems };
			return result;
		});
	}
},
{ contentType: ["application/javascript"]
});

provider.connect();
</script>
</head>

<body>
Install this page as an Orion plugin
</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Validator example</title>
	<script src="https://orion.eclipse.org/orion/Deferred.js"></script> <!--must be loaded before plugin-->
	<script src="https://orion.eclipse.org/orion/plugin.js"></script> <!--must be loaded before script tag -->
	<script>
	/global orion Deferred/
	var provider = new orion.PluginProvider();
	provider.registerServiceProvider("orion.edit.validator", {
	computeProblems: function(editorContext, options) {
	var problems = [];
	return editorContext.getText().then(function(contents) {
	var lines = contents.split(/\r?\n/);
	for (var i=0; i < lines.length; i++) {
	var line = lines[i];
	var match = /\t \t\| \t /.exec(line);
	if (match) {
	problems.push({
	description: "Mixed spaces and tabs.",
	line: i + 1,
	start: match.index + 1,
	end: match.index + match[0].length + 1,
	severity: "warning"
	});
	}
	}
	var result = { problems: problems };
	return result;
	});
	}
	},
	{ contentType: ["application/javascript"]
	});

	provider.connect();
	</script>
	</head>

	<body>
	Install this page as an Orion plugin
	</body>
	</html>